From BBC: “The climate math is brutally clear: While the world can’t be healed within the next few years, it may be fatally wounded by negligence until 2020,” said Hans Joachim Schellnhuber, founder of the Potsdam Climate Institute. The sense is that the end of next year is the last chance saloon for climate change.
scientific reticence & conservatism
A Special Report on Global Warming has been released today by the IPCC, considered the international benchmark on climate change. Ahead of it, Donald Brown reviewed three independent studies which show that climate change is a much more urgent and serious threat than indicated by past IPCC reports, and examines the ethical questions they raise.